Search a number
-
+
5787145 = 572132379
BaseRepresentation
bin10110000100111000001001
3101220000110201
4112010320021
52440142040
6324012201
7100122100
oct26047011
911800421
105787145
1132a2a71
121b31061
131278160
14aa9037
15794a9a
hex584e09

5787145 has 48 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 3459456.

The previous prime is 5787143. The next prime is 5787149. The reversal of 5787145 is 5417875.

It is not a de Polignac number, because 5787145 - 21 = 5787143 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5787143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73216 + ... + 73294.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 25787145 is an apocalyptic number.

It is an amenable number.

5787145 is a deficient number, since it is larger than the sum of its proper divisors (3405815).

5787145 is a wasteful number, since it uses less digits than its factorization.

5787145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 127 counting only the distinct ones).

The product of its digits is 39200, while the sum is 37.

The square root of 5787145 is about 2405.6485611992. The cubic root of 5787145 is about 179.5373406383.

The spelling of 5787145 in words is "five million, seven hundred eighty-seven thousand, one hundred forty-five".

Divisors: 1 5 7 13 23 35 49 65 79 91 115 161 245 299 395 455 553 637 805 1027 1127 1495 1817 2093 2765 3185 3871 5135 5635 7189 9085 10465 12719 14651 19355 23621 35945 50323 63595 73255 89033 118105 165347 251615 445165 826735 1157429 5787145